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<center><h2 class="showhide_heading" id="mainmenu">HP Linux Imaging and Printing (HPLIP) Help</h2>
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<h3 class="showhide_heading" id="Startup">Troubleshooting setup and I/O issues</h3><br>Troubleshooting
HPLIP involves several steps depending on the problem. &nbsp;Here we
will describe several things to check.<br><br><h3 class="showhide_heading" id="Add_ons">First things to check</h3>
Referencing on the product support page on the HPLIP website, verify that your printer is supported by HPLIP.<br><br>If
you are&nbsp;using HPLIP from source or that came pre-packaged with
your distro try using the HPLIP from source files available on the <a href="http://hplip.sf.net">HPLIP website</a>.<br><h3 class="showhide_heading" id="Downloads">Run "hp-check" utility</h3><br>hp-check displays the status the HPLIP install. &nbsp;<br><br>1. Open a terminal (command line) window.<br><br>2. &nbsp;Run:<br><br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;<span style="font-style: italic;"> hp-check -t<br><br></span>Read through the output of the hp-check and fix any problems reported--this will resolve a large portion of any problems.<br><br>An important section to review is:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; # Following values are determined at configure time and cannot be changed.</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; [configure]</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; network-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; pp-build=no</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; gui-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; scanner-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; fax-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; dbus-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; cups11-build=no</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; doc-build=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; shadow-build=no</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; foomatic-drv-install=yes</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; foomatic-ppd-install=no</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; foomatic-rip-hplip-install=yes</span><br><br>This
section describes what is currently enabled or disabled. &nbsp;For
example if you are having a problem setting up your parallel printer
check to be sure that pp-build=yes--if it does not you'll need to
reinstall hplip and enable parallel support.<span style="font-style: italic;"><span style="font-style: italic;"><span style="font-style: italic;"><span style="font-style: italic;"></span></span></span><br></span><h3 class="showhide_heading" id="System_Defaults">I/O Problems (Printer is not detected)</h3>
<p>If the printer is not being detected by hp-setup check the following items:</p><p style="font-style: italic;">Is the printer supported by HPLIP?</p><p style="font-style: italic;">Is the printer powered on?</p><p style="font-style: italic;">Is the printer connected correctly with the proper type of cable?</p><p style="font-style: italic;">Is the printer in an error state? (i.e. out of paper, out of ink, etc.)</p><p style="font-style: italic;">Is the cable (usb/parallel/ethernet) in good working condition?</p><p><span style="font-weight: bold;">USB</span></p><p>If you run "/usr/lib/cups/backend/hp" you should get output similar to the following:</p><span style="font-style: italic;">&nbsp;&nbsp;&nbsp;
direct
hp:/usb/HP_Color_LaserJet_CP1515n?serial=00XXXXXXXXXX "HP Color
LaserJet CP1515n" "HP Color LaserJet CP1515n USB &nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 00XXXXXXXXXX
HPLIP"
"MFG:HP;MDL:HP Color LaserJet CP1515n;CLS:PRINTER;DES:HP Color LaserJet
CP1515n;SN:00XXXXXXXXXX;"</span><br style="font-style: italic;"><br>If you get instead, get output similiar to the following:<br><br>&nbsp;&nbsp;&nbsp; <span style="font-style: italic;">direct hp "Unknown" "HP Printer (HPLIP)"</span><br><br>Check all of the questions stated above.<br><br>Are you using any usb hubs? &nbsp;If so remove them and plug the printer directly into the system.<br><br>If you run lsusb -v, is the printer detected? &nbsp;If not, there may be a hardware or usb subsystem problem.<br><br><span style="font-weight: bold;">Network</span><br><br>Does
the network have the correct snmp ports open? port 161 (udp and tcp),
port 162 (udp and tcp) and port 9100 (udp and tcp) need to be open for
HPLIP to function correctly.<br><br>Can you ping the printer?<br><br>If you run hp-makeuri &lt;printer.ip.address.here&gt; you should get an output similar to:<br><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; CUPS URI: hp:/net/Photosmart_3300_series?ip=192.168.1.12</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; SANE URI: hpaio:/net/Photosmart_3300_series?ip=192.168.1.12</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; HP Fax URI: hpfax:/net/Photosmart_3300_series?ip=192.168.1.12</span><br><br>If you do not get a response after running "hp-makeuri", try running:<br><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; snmpwalk -Os -c public -v 1 xxx.xxx.xxx.xxx 1.3.6.1.4.1.11.2.3.9.1.1.7.0 </span><br><br>Where xxx.xxx.xxx.xxx is the correct IP address of the printer.<br><br>The output should be similiar to the following:<br><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp;
enterprises.11.2.3.9.1.1.7.0
= STRING:
"MFG:Hewlett-Packard;CMD:PJL,MLC,BIDI-ECP,PCL,POSTSCRIPT,PCLXL;MDL:hp
LaserJet &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
3380;CLS:PRINTER;DES:Hewlett-Packard LaserJet
3380;MEM:23MB;COMMENT:RES=1200x1;" </span><br><br>If it does not there may be an snmp problem on your system and/or network.<br><br><span style="font-weight: bold;">Parallel<br><br></span>Was HPLIP installed with parallel support? &nbsp;Run hp-check -t and look in the for the following output:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; # Following values are determined at configure time and cannot be changed.<br>&nbsp;&nbsp;&nbsp; [configure]<br>&nbsp;&nbsp;&nbsp; network-build=yes<br>&nbsp;&nbsp;&nbsp; pp-build=no<br>&nbsp;&nbsp;&nbsp; gui-build=yes<br>&nbsp;&nbsp;&nbsp; scanner-build=yes<br>&nbsp;&nbsp;&nbsp; fax-build=yes<br>&nbsp;&nbsp;&nbsp; dbus-build=yes<br>&nbsp;&nbsp;&nbsp; cups11-build=no<br>&nbsp;&nbsp;&nbsp; doc-build=yes<br>&nbsp;&nbsp;&nbsp; shadow-build=no<br>&nbsp;&nbsp;&nbsp; foomatic-drv-install=yes<br>&nbsp;&nbsp;&nbsp; foomatic-ppd-install=no<br>&nbsp;&nbsp;&nbsp; foomatic-rip-hplip-install=yes<br>&nbsp;&nbsp;&nbsp; internal-tag=2.8.5.23<br></span><span style="font-style: italic;"></span><br>Find the section:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; pp-build=no<br><br><span style="font-style: italic;"></span></span>This should be "<span style="font-style: italic;">pp-build=yes</span>".<br><br>Is the ppdev module loaded?<br><br>Look for the output results from the hp-check -t for the following:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Checking for dependency: ppdev - Parallel port support kernel module....</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; OK, found.</span><br><span style="font-weight: bold;"><span style="font-weight: bold;"><br></span></span>If you are missing the ppdev module you can try running:<br><br>&nbsp;&nbsp;&nbsp; <span style="font-style: italic;">modprobe ppdev</span><br><br>Is your parallel port set to ECP mode in the BIOS?<br><br>If you run /usr/lib/cups/backend/hp do you should get an output similar to the following:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp;
direct
hp:/par/HP_LaserJet?serial=00XXXXXXXXXX "HP
LaserJet" "HP LaserJet&nbsp;PAR 00XXXXXXXXXX HPLIP"
"MFG:HP;MDL:HP &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
LaserJet&nbsp;;CLS:PRINTER;DES:HP&nbsp;LaserJet&nbsp;;SN:00XXXXXXXXXX;"</span><br><br>If the /usr/lib/cups/backend/hp does not detect the printer, HPLIP will not function.<h3 class="showhide_heading" id="Add_ons">Functionality Problems (print, scan, fax)</h3>
<p style="font-weight: bold;">Print</p><p>Is the printer on-line and not in an error state?</p><p>If you run hp-check -t, are there any problems reported?</p><p>In the "hp-check -t", verify that the printer is configured:</p><p>Verify in the section DISCOVERED USB DEVICES that the printer is displayed.</p><p>Verify in the section INSTALLED CUPS PRINTER QUEUES that the printer queue is displayed.</p><p>Verify on the line PPD: that the ppd file matches the printer model.</p>Example:<br><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; --------------------------</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; | DISCOVERED USB DEVICES |</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; --------------------------</span><br style="font-style: italic;"><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; No devices found.</span><br style="font-style: italic;"><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; ---------------------------------</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; | INSTALLED CUPS PRINTER QUEUES |</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; ---------------------------------</span><br style="font-style: italic;"><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Photosmart_3300</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; ---------------</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Type: Printer</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Installed in HPLIP?: Yes, using the hp: CUPS backend.</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Device URI: hp:/net/Photosmart_3300_series?ip=15.252.39.136</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; PPD: /etc/cups/ppd/Photosmart_3300.ppd</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; PPD Description: HP PhotoSmart 3300 Foomatic/hpijs, hpijs 2.8.2.10 - HPLIP 2.8.2</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Printer status: printer Photosmart_3300 is idle.&nbsp; enabled since Tue 27 May 2008 01:58:02 PM PDT</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Communication status: Good</span><br><br>Are you able to print from any application?<br><br>View the syslog and try to print do you see any errors?<br><br>&nbsp;Run:<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;<span style="font-style: italic;"> tail -f /var/log/messages</span><p>The
possible errors presented in the "messages" log can be varied.
&nbsp;You may need to reference your Linux distribution documentation
for more information.</p><p>View the cups log and try to print do you see any errors?</p><p>To view the cups log:<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <span style="font-style: italic;">Edit
the file /etc/cups/cupsd.conf to change the loglevel to debug, then
restart cups /etc/init.d/cups restart (or the command may be /etc/init.d/cupsys
restart depending on your system configuration).</span></p><p style="font-weight: bold;">Scan</p>Is the printer on-line and not in an error state?<br><br>If you run&nbsp;hp-check -t are there any problems?<br><br>Within
the "hp-check -t" output, verify that the sane is configured correctly
in the SANE CONFIGURATION section. &nbsp;Here is an example of what you
should see after running hp-check -t:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; 'hpaio' in '/etc/sane.d/dll.conf'...</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; OK, found. SANE backend 'hpaio' is properly set up.</span><br style="font-style: italic;"><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Checking output of 'scanimage -L'...</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; No scanners were identified. If you were expecting something different,</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; check that the scanner is plugged in, turned on and detected by the</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; sane-find-scanner tool (if appropriate). Please read the documentation</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; which came with this software (README, FAQ, manpages).</span><br><br>If
you do not see this or get an error, edit the dll.conf file and add
hpaio. &nbsp;If the scanner is not detect using the scanimage be
sure that the printer is supported and working correctly.<br><p style="font-weight: bold;">Fax&nbsp;</p>Is the printer powered on and not in an error state?<br><br>If you run hp-check -t are there any problems?<br><br>If
you run hp-check -t is there a fax queue installed? &nbsp;You should
see output similar to the following after running hp-check -t:<br><br><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Photosmart_3300_fax</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; -------------------</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Type: Fax</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Installed in HPLIP?: Yes, using the hpfax: CUPS backend.</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Device URI: hpfax:/net/Photosmart_3300_series?ip=15.252.39.136</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; PPD: /etc/cups/ppd/Photosmart_3300_fax.ppd</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; PPD Description: HP Fax</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Printer status: printer Photosmart_3300_fax is idle.&nbsp; enabled since Thu 22 May 2008 01:32:01 PM PDT</span><br style="font-style: italic;"><span style="font-style: italic;">&nbsp;&nbsp;&nbsp; Communication status: Good</span><br><br>Is the phone line connected to the multifunction printer?<br><br>Can you fax a different document? (i.e. ensure that this is not a document-specific problem)<br><br>Is the receiving fax machine or device on-line and able to accept faxes?<br><h3 class="showhide_heading" id="Add_ons"><br></h3>
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